I initially wanted it in a mono-Blue pillow fort where you are running cards like Propaganda and Maze of Ith to keep yourself safe, and your leader's big butt will help keep yourself and your planeswalkers safe
In the Darkness Bind Them We can fill out our temptation dance card with just In the Darkness Bind Them, all the while creating some Wraiths and turning up the dread factor for someone, knowing whats coming
The Stoneforged Blade isnt bad, per se, but your deck should already have plenty of impactful equipment in it
It gives you great inevitability in many games that dont include infinite combos
However, after the latest update came and went without a confirmed unban, the speculative bubble burst
But if you are casting your stuff fairly off ramp or lands, Koz is pretty sexy keen as a nice answer due to drawing the cards